3Blue1Brown
Why slicing a cone gives an ellipse
A beautiful proof of why slicing a cone gives an ellipse.
3Blue1Brown
Ever wondered why slicing a cone gives an ellipse? It’s wonderfully clever!
A beautiful proof of why slicing a cone gives an ellipse.
Curated Video
Concepts and measurement: Congruence
By the end of this learning object, the student will be able to: Recognize the congruent meaning at line segment, angles, polygons, and the real life shapes.4596
Curated Video
Comparing and Contrasting 2-Dimensional Plane Figures
Mr. Addit defines the terms; plane, figure, triangle, quadrilateral, pentagon, hexagon, octagon, polygon, rhombus, parallelogram, and trapezoid.
Curated Video
Review for You: The Wonderful World of Geometry
Mr. Addit reviews geometry fundamentals including: points, lines, line segments, rays, perpendicular and parallel lines, acute, obtuse, and right angles, and isosceles, scalene, and equilateral triangles. He also reviews polygons...
Curated Video
Introduction to Angles
You could say that angles are some of the building blocks of geometry, and you've probably already seen lots of examples of angles in your life already. In this lesson, we'll go over the exact definition of an angle, how to name an...
Curated Video
Introduction to Geometry
When you hear the word "geometry", you might think of shapes. And you wouldn't be wrong! But before we can get to shapes, we need to talk about the parts that can make up shapes, like points, lines, rays, and line segments. In this...
Zach Star
If the hour and minute hand on a clock look identical, can you always determine the time?
The answer is no, you cannot always tell the time on this clock, but most of the time you can. There are 132 moments/configurations in a 12 hour period where you wouldn't know the time because at those moments either hand could be the...
Zach Star
Can you always pair an equal number of red and blue points with no intersection?
Can you always pair an equal number of red and blue points with no intersection?
Curated Video
Geometry: Out of This World Polygons
Learn about polygons: pentagons, hexagons, heptagons, and octagons. Feed the polygon cookies to my monster friends in outer space. Math Challenge of the Day: Students go on a scavenger hunt around their house to find examples of polygons.
Curated Video
Classifying Polygons by Perpendicular Sides
In this video lesson, we explain the concept of perpendicular lines and demonstrate how to identify them in different shapes. By the end of the lesson, students will be able to categorize polygons based on the number of pairs of...
Zach Star
A google and amazon interview question with a really clever solution
A google and amazon interview question with a really clever solution
Curated Video
Drawing Triangles: Connecting Three Straight Sides
In this video, the teacher explains how to draw a triangle by connecting three straight sides. They address common misunderstandings about triangles, such as the sides not needing to be straight or the same length.
Curated Video
Understanding Translations: What Changes and What Stays the Same
In this lesson, students will learn about the concept of translation in geometry. They will explore how a figure can be moved by sliding it, creating a new image called a prime. Through this process, they will discover that the length of...
Curated Video
Identifying the Parts of Three-Dimensional Figures
In this video, you will learn how to identify the different parts of three-dimensional figures, such as faces, vertices, edges, and bases. You will also understand the concept of height and how it relates to the measurement of a prism.
Curated Video
Identifying and Sorting Pentagons
In this video, students learn how to identify and sort pentagons at the Shape Warehouse by examining their attributes. They are taught that a polygon is a closed figure with straight sides, and a pentagon specifically has five sides and...
Brian McLogan
What are congruent polygons - Congruent Triangles
👉 Learn about congruent triangles theorems. Two or more triangles (or polygons) are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods...
Curated Video
Describing Quadrilaterals by Their Attributes
In this video, the teacher explains how to identify and describe quadrilaterals based on their attributes. They use examples of polygons with different numbers of sides and angles to demonstrate the concept
msvgo
Curves and Their Types
It defines a simple closed curve, a polygon, a triangle and a quadrilateral. It also explains sides, vertices and diagonals of a polygon.
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Matplotlib, Seaborn, and Bokeh for Data Visualization: Introduction to Bokeh
In this video, we will cover Introduction to Bokeh. This clip is from the chapter "Basics for Data Science: Python for Data Science and Data Analysis" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In this...
Curated Video
Reflecting a Parallelogram: Understanding Changes and Similarities
In this video, students learn about reflecting a parallelogram and how it affects the shape. The teacher explains the concept using vocabulary terms such as congruent line segments, congruent angles, and parallel lines.
Brian McLogan
CCSS How to Label a Line, Line Segment and Ray
👉 Learn how to label points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A point is...